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Vortex solitons at the interface separating square and hexagonal lattices
dc.creator | Jovic Savic, D | |
dc.creator | Piper, A | |
dc.creator | Zikic, R | |
dc.creator | Timotijević, Dejan | |
dc.date.accessioned | 2023-12-10T18:41:58Z | |
dc.date.available | 2023-12-10T18:41:58Z | |
dc.date.issued | 2015 | |
dc.identifier.issn | 0375-9601 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/3011 | |
dc.description.abstract | Vortex solitons at the interface separating two different photonic lattices – square and hexagonal – are demonstrated numerically. We consider the conditions for the existence of discrete vortex states at such interfaces and develop a concise picture of different scenarios of the vortex solutions behavior. Various vortices with different size and topological charges are considered, as well as various lattice interfaces. A novel type of discrete vortex surface solitons in a form of five-lobe solution is observed. Besides stable three-lobe and six-lobe discrete surface modes propagating for long distances, we observe various oscillatory vortex surface solitons, as well as dynamical instabilities of different kinds of solutions and study their angular momentum. Dynamical instabilities occur for higher values of the propagation constant, or at higher beam powers. | sr |
dc.language.iso | en | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/171036/RS// | sr |
dc.rights | closedAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Physics Letters A | sr |
dc.subject | Vortex beams, solitons, photonic lattice, interface, surface | sr |
dc.title | Vortex solitons at the interface separating square and hexagonal lattices | sr |
dc.type | article | sr |
dc.rights.license | BY | sr |
dc.rights.holder | ELSEVIER | sr |
dc.citation.volume | 379 | |
dc.identifier.doi | https://doi.org/10.1016/j.physleta.2015.02.014 | |
dc.type.version | publishedVersion | sr |
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